It’s actually been settled science for over 40 years at this point. Here’s Carl Sagan laying it out to Congress in 1985 https://youtu.be/Wp-WiNXH6hI

This is exactly why foreign ownership of residential rental property should be banned in Canada.

How about the police, who work for the city, start actually enforcing the highway traffic act? Maybe start with that which generates revenue for the city before wasting our money on ads that blame the victims.